package exception;

/**
 * java异常处理机制：try...catch
 */
public class TryCatchDemo {
    public static void main(String[] args) {
        System.out.println("程序开始了...");

        try{
            String line=null;
            System.out.println(line.length());
        //}catch(NullPointerException e){
           // System.out.println("出现了空指针异常并解决了");
       // }catch (StringIndexOutOfBoundsException e){
           // System.out.println("出现了字符串下标异常并解决了");
        }catch (NumberFormatException e){
            System.out.println("数字格式异常解决了");
        }catch (Exception e){
            System.out.println("出现了任意异常被解决了");
        }
        System.out.println("程序结束了...");
    }
}
